You will need the 360 squirt programmer and urJTAG application. Place the files you want to flash your cpld with next to the executable.Squirt team recommand to use rgh_corona_minusone_nr(suggested).svf , but if you don't have good result with it, you can try another one.

Connect your 360 to your TV, plug the power supply and the network cable, turn it on.

XeLL doesn't boot with any video

So once you see the debug led stop blinking, it most likely means the console have finished bootingIf you don't have boot at all, check your soldering, play with the CPU_RST length or you can try other svf/xsvf files.

B : Grab the key

Once the console has booted, go back on your computer and launch Xebuild GUI 2.083.In Tools, use the scan for XeLL feature

in scan range put the iprange your console is most likely within (check router settings for more information) if you don't know select "0-255" (this will scan full network) and press Start scanning for Xell